Cogswell’s Grant is giving an in-depth tour entitled “Favorite Things and Hidden Treasures,” highlighting the favorite objects of collectors Bertram and Nina Fletcher Little, and revealing objects hidden in cupboards and drawers. Included is a rare opportunity to see treasures in the attic, not usually open to the public. Sat., May 30th, 10am – 12 noon. Registration required. (978) 768-3632